AISI P91 F91 Alloy Round Bar X10CrMoVNb9-1 W-Nr 1.4903 Stainless True Bar
AISI P91 F91 Alloy Round Bar X10CrMoVNb9-1 W-Nr 1.4903 Stainless True Bar
Size Range
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Round bar / Wire rod (Diameter): 5.5 mm to 1500 mm |
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Square bar / Flat bar: 3.5 mm to 1000 mm |
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Forging piece: Stepped shafts with flanks/discs /tubes /slugs /donuts /cubes /other different shapes based on OEM. |
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Heavy/middle plate via hot rolled: T3.5 - 100 mm X W5 - 1000 mm X L1000-10000 mm |
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Sheet steel via cold rolled: T0.5 - 10.0 mm X W5 - 1000 mm X L1000 - 10000 mm |
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Steel strip via cold rolled: T0.5 - 10.0 mm X W5 - 1000 mm X L (or in coil form) |
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Length: Fixed length or random length or based on the customer's special requirement. |
Chemical Composition and standard
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P91 |
F91(Type 1) | F91(Type 2) |
| ASME SA-335/SA-335M-2021 | ASME SA-182/SA-182M-2019 | ASME SA-182/SA-182M-2019 |
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C(%): 0.08~0.12 N(%): 0.03~0.07 Ti(%): ≤0.01 V(%): 0.18~0.25 Nb(%): 0.06~0.10
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C(%): 0.08~0.12 N(%): 0.03~0.07 Ti(%): ≤0.01 V(%): 0.18~0.25 Nb(%): 0.06~0.10 Zr(%): ≤0.01 Al(%): ≤0.02 |
C(%): 0.08~0.12 Cu(%): ≤0.1 As(%): ≤0.01 N(%): 0.035~0.07 Ti(%): ≤0.01 W(%): ≤0.05 V(%): 0.18~0.25 Nb(%): 0.06~0.10 Zr(%): ≤0.01 Al(%): ≤0.02 Sn(%): ≤0.01 Sb(%): ≤0.003 B(%): ≤0.001
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| F91(Product) | X10CrMoVNb9-1/1.4903 | |
| ASME SA-182/SA-182M-2019 | IN 10222-2-2017 | |
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C(%): 0.07~0.13 Cu(%): ≤0.1 As(%): ≤0.01 N(%): 0.035~0.07 Ti(%): ≤0.01 W(%): ≤0.05 V(%): 0.16~0.27 Nb(%): 0.05~0.11 Zr(%): ≤0.01 Al(%): ≤0.02 Sn(%): ≤0.01 Sb(%): ≤0.003 B(%): ≤0.001 N/Al(%): ≥4.0
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C(%): 0.08~0.12 Cu(%): ≤0.3 N(%): 0.03~0.07 V(%): 0.18~0.25 Nb(%): 0.06~0.10 Al(%): ≤0.04 |
Mechanical Properties
| Tensile strength, Rm/MPa: P91 ≥700, F91 ≥620 | |
| Yield strength, Rp/MPa: P91 ≥300, F91 ≥415 | |
| Elongation, A/%: P91 ≥20, F91 ≥20 | |
| Reduction of area, ψ/%: F91 ≥40 | |
| Impact, AKV /J: -- | |
| Annealed hardness HBW: F91 190~248 |
Application
Valves, Forged Fittings, Components.
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